(1/2) rho v^2 = rho g h
v = sqrt (2 g h ) = sqrt (2*9.81*1.38)
which is exactly what would happen if you just dropped a rock that distance
or see
http://en.wikipedia.org/wiki/Bernoulli%27s_principle
Calculate the speed of water (in m/s) flowing from a pipe at the bottom of an open topped barrel which has a water level 138 cm high in it.
1 answer
1 answer